Elementary Technical Mathematics

by
Nelson, Robert; Eren, Dale;

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

Chapter 12 - Section 12.1 - Angles and Polygons - Exercise: 2

Answer

acute

Work Step by Step

We know that an angle is a right angle if it is 90 degrees. An angle is acute if it is less than 90 degrees, while it is obtuse if it is between 90 and 180 degrees. Additionally, we know that the angle is less than $90^o$.